gel permeation chromatography


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gel permeation chromatography

[¦jel ‚pər·mē′ā·shən ‚krō·mə′täg·rə·fē]
(analytical chemistry)
Analysis by chromatography in which the stationary phase consists of beads of porous polymeric material such as a cross-linked dextran carbohydrate derivative sold under the trade name Sephadex; the moving phase is a liquid.
References in periodicals archive ?
According to the gel permeation chromatography (GPC) analysis, it was clearly seen from chromatograms in Fig.
One milligram of the acetylated WE was dissolved in 1 mL of tetrahydrofuran and subjected to gel permeation chromatography (GPC) analysis.
Gel permeation chromatography curves of HBPUA (HBPUA-40, HBPUA-50, HBPUA-60, HBPUA-70, HBPUA-80) oligomers are shown in Fig.
The samples--both in pellet form and with tubing extruded from the pellets--were submitted for analysis of their molecular weight distributions before and after extrusion, using gel permeation chromatography.
(c) Acetone fractionation and Gel permeation chromatography: The pooled eluted fractions subjected for concentration of protein by acetone fractionation to 80 percent saturation at 4[degrees]C.
Gel Permeation Chromatography (GPC), also known as Size Exclusion Chromatography (SEC), is a chromatographic technique that employs specialized columns to separate natural and synthetic polymers, biopolymers and nanoparticles on the basis of size.
Patient serum (30 [micro]L) was injected into a Waters 650E advanced protein purification system (Millipore) and subjected to high-pressure gel permeation chromatography (HPGPC).
Founded in 1984 and headquartered in Houston, Texas, Viscotek offers systems for gel permeation chromatography, flow injection polymer analysis and dilute solution viscosity.
Study of the Enzymatic Activity of Hyaluronan Lyase Using Gel Permeation Chromatography With Photodiode Array Detection.
Here, we report on structural changes in high-[M.sub.w] materials investigated by means of positron annihilation lifetime spectroscopy (PALS) and gel permeation chromatography (GPC).
Through the Dekko Technical Center, we offer accredited A2LA Laboratory services such as Fourier Transform Infrared Spectrometry, Inductively Coupled Plasma Emission Spectrometry, Gas Chromatography, High Performance Liquid Chromatography, Gel Permeation Chromatography, Differential Scanning Chromatography, Thermogravimetric Analysis, Infrared Thermal Imaging, Good vs.
subu1iformis, was pure and homogenic after ethanol fractionation and purification by gel permeation chromatography (Fig.

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